{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":12,"name":"Pratt & Whitney PW4168A","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-pw4168a#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Engine","note":"","unit":"","url":"https://eflight.com/systems/engine"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaces 2016-22-05","note":"","unit":"","url":"https://eflight.com/directives/2016-22-05"}],"relation":"related to"},{"group":"More","items":[{"count":null,"name":"Every FAA order","note":"","unit":"","url":"https://eflight.com/directives"},{"count":null,"name":"Every aircraft system","note":"","unit":"","url":"https://eflight.com/systems"}],"relation":"see also"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"effective":"2019-05-02","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/744FA7E38D1D9E2E862583CB00471A60.0001","id":"2019-06-07","kind":"AD","name":"Airworthiness directive 2019-06-07","published":"2019-03-28","subject":"Engine Fuel Distribution","system":"engine","type":"directive","url":"https://eflight.com/directives/2019-06-07"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}